activity
20202026
most citedUncovering the geometry of the hot X-ray corona in the Seyfert galaxy NGC4151 with IXPE

86 citations · 282 across the 26 of their papers we have counts for

collaborators
Showing 2020Show all

1 paper · 1 filter

astro-ph.HE2020★ 37 cited

Unveiling sub-parsec supermassive black hole binary candidates in active galactic nuclei

Roberto Serafinelli, Paola Severgnini, Valentina Braito +11

Elusive supermassive black hole binaries (SMBHBs) are thought to be the penultimate stage of galaxy mergers, preceding a final coalescence phase. SMBHBs are sources of continuous g…